<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <h1>a.html</h1>
  <script>

    const xhr = new XMLHttpRequest();
    xhr.open('GET', 'http://127.0.0.1:8088/users');
    xhr.onload = function () {
      console.log(xhr.response);
    };
    xhr.send();
  </script>
</body>

</html>